Original vintage optical industry trade magazine ad for W.M. WELCH SCIENTIFIC COMPANY of Chicago, IL. No. 610 Model of the Atom Designed According to the Suggestions of Professor R.R. Ramsey, Indiana University, Bloomington, IN. Old 1922 optical laboratory instruments advertisement.
w m welch scientific company 1922 model of the atom vintage ad
- Product Code: s257
- Length: 9 inches
- Width: 6 inches
- Pages: 1
- Views: 70
- Availability: In Stock
- $20.00
$15.00
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